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-rw-r--r--jim-json.c12
-rw-r--r--tests/json.test16
2 files changed, 26 insertions, 2 deletions
diff --git a/jim-json.c b/jim-json.c
index 2d613b7..69a2afc 100644
--- a/jim-json.c
+++ b/jim-json.c
@@ -38,6 +38,8 @@ typedef enum {
} json_schema_t;
struct json_state {
+ Jim_Obj *fileNameObj;
+ int line;
Jim_Obj *nullObj;
const char *json;
jsmntok_t *tok;
@@ -219,6 +221,7 @@ json_decode_dump_value(Jim_Interp *interp, struct json_state *state, Jim_Obj *li
Jim_Obj *elem;
int len = t->end - t->start;
const char *p = state->json + t->start;
+ int set_source = 1;
if (t->type == JSMN_STRING) {
/* Do we need to process backslash escapes? */
if (state->need_subst == 0 && memchr(p, '\\', len) != NULL) {
@@ -227,6 +230,7 @@ json_decode_dump_value(Jim_Interp *interp, struct json_state *state, Jim_Obj *li
elem = Jim_NewStringObj(interp, p, len);
} else if (p[0] == 'n') { /* null */
elem = state->nullObj;
+ set_source = 0;
} else if (p[0] == 'I') {
elem = Jim_NewStringObj(interp, "Inf", -1);
} else if (p[0] == '-' && p[1] == 'I') {
@@ -234,6 +238,10 @@ json_decode_dump_value(Jim_Interp *interp, struct json_state *state, Jim_Obj *li
} else { /* number, true or false */
elem = Jim_NewStringObj(interp, p, len);
}
+ if (set_source) {
+ /* Note we need to subtract 1 because both are 1-based values */
+ Jim_SetSourceInfo(interp, elem, state->fileNameObj, state->line + t->line - 1);
+ }
Jim_ListAppendElement(interp, list, elem);
state->tok++;
@@ -371,6 +379,10 @@ json_decode(Jim_Interp *interp, int argc, Jim_Obj *const argv[])
Jim_SetResultString(interp, "empty JSON string", -1);
goto done;
}
+
+ /* Save any source information from the original string */
+ state.fileNameObj = Jim_GetSourceInfo(interp, argv[argc - 1], &state.line);
+
if ((tokens = json_decode_tokenize(interp, state.json, len)) == NULL) {
goto done;
}
diff --git a/tests/json.test b/tests/json.test
index 78a19fa..09c002c 100644
--- a/tests/json.test
+++ b/tests/json.test
@@ -3,7 +3,8 @@ source [file dirname [info script]]/testing.tcl
needs cmd json::decode json
needs cmd json::encode json
-set json {
+# Create a json string as though it was read from data.json
+set json [info source {
{
"fossil":"9c65b5432e4aeecf3556e5550c338ce93fd861cc",
"timestamp":1435827337,
@@ -24,7 +25,7 @@ set json {
"tags":["trunk"]
}]
}
-}}
+}} data.json 1]
test json-decode-001 {top level keys} {
lsort [dict keys [json::decode $json]]
@@ -122,6 +123,17 @@ test json-3.4 {-index array with -schema 2} {
} "{outer {0 {key value} 1 {key2 value2}}}\
{obj outer {mixed {obj key str} {obj key2 str}}}"
+test json-4.1 {source info preserved} -body {
+ info source [dict get [json::decode $json] fossil]
+} -result {data.json 3}
+
+test json-4.2 {source info preserved} -body {
+ info source [dict get [json::decode $json] procTimeUs]
+} -result {data.json 6}
+
+test json-4.3 {source info preserved} -body {
+ info source [dict get [lindex [dict get [json::decode $json] payload timeline] 0] comment]
+} -result {data.json 17}
unset -nocomplain json